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All Journal Nozel : Jurnal Pendididikan Teknik Mesin
Nugroho Agung Pambudi
MECHANICAL ENGINEERING EDUCATION PROGRAM The Faculty of Teacher Training and Education Sebelas Maret University

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ANALIS EKSPERIMENTAL SOLAR WATER HEATER TRICKLE SYSTEM DENGAN V BERHIMPIT LAJU ALIRAN 3 LPM Andi Dwi Saputro Saputro; Nugroho Agung Pambudi; Yuyun Estriyanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 3 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i3.72251

Abstract

The purpose of this study was to determine the efficiency of the performance of a solar water heater with V coincides with variations in flow rates of  3 lpm, .This research is a quantitative research with experimental method. This research includes the activities of designing a solar water heater, preparing measuring instruments, testing, collecting data and analyzing data. This research was replicated three times to obtain maximum data results. The results showed that the solar water heater testing with a flow rate variation of 3 lpm experienced the highest temperature increase, the amount of solar radiation and wind speed greatly influenced changes in temperature. The conclusion of this study is the greater the flow rate used, the smaller the temperature change produced and at a flow rate of 3lpm is the most effective flow rate, indicated by an energy efficiency value of 78%.
UJI EKSPERIMENTAL EFISIENSI TERMAL SERPENTINE SOLAR WATER HEATER DENGAN LAJU ALIRAN AIR 1 LPM Yustisia Ahnaf; Nugroho Agung Pambudi; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 2 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i2.75815

Abstract

Solar water heater is a device that uses solar collectors to absorb solar radiation and convert it into heat energy to heat water. The type of solar collector and the water flow rate used affect the thermal efficiency of the solar water heater. This research uses a solar water heater with a serpentine configuration of copper pipe material and applies a water flow rate of 1 lpm. The purpose of this research is to determine the effect of water flow rate on the thermal efficiency produced by solar water heater with serpentine configuration. The type of research is quantitative research, with experimental methods. This research was conducted at Campus V, Sebelas Maret University Surakarta for 3 days starting at 09.00 to 15.00 WIB. The test results of the serpentine solar water heater with a water flow rate of 1 lpm produced the highest temperature reaching 43.42 ͦC and had a thermal efficiency of 46.14%.
Analisis Persepsi Mahasiswa Terhadap Ketidakjujuran Akademik : Studi Kasus di Fakultas Teknik UNS Andrye Sukma Wicaksono; Indah Widiastuti; Nugroho Agung Pambudi
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 4 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i4.78161

Abstract

Academic dishonesty is a deliberate violation of academic rules for personal gain. Academic dishonesty can reduce the reputation of students and universities, as well as dishonest behavior in the world of work, so research is needed regarding engineering students' perceptions of academic dishonesty. This study aims to determine perceptions, experiences, reasons why engineering students commit academic dishonesty, and to determine the influence between perceptions and experiences of witnessing acts of academic dishonesty. The population used in this study were S1 students from the UNS Faculty of Engineering and the samples taken were 97 respondents. The results of the study show that engineering students' perceptions of academic dishonesty are that students know that academic dishonesty is important, can have an impact on damaging moral character, including actions that violate social and religious norms, so that it becomes the student's responsibility, and must be responsible for caring for the integrity of other students. . The experience of engineering students with academic dishonesty is that students have committed dishonesty but support existing policies, often use unauthorized material during exams, work on papers or articles without including references, and ask for help from seniors who have taken exams but rarely submit assignments properly. pay someone else to complete it and rarely miss out on group assignments. Academic dishonesty policies already exist but sanctions and supervision need to be tightened to reduce academic dishonesty. The reason engineering students commit academic dishonesty is because they don't get sanctioned or punished, the attitude of the lecturer, many friends who do this, will make grades better, difficulty working on questions, easy internet access and fear of failure and lack of study time. Most of the respondents committed academic dishonesty due to internal factors. There is a positive and significant influence between perception and experience of witnessing techniques on the experience of committing academic dishonesty. So that when the perception and experience of witnessing gets higher, they will not commit academic dishonesty.
ANALISIS PENGALAMAN BELAJAR MAHASISWA PENDIDIKAN TEKNIK MESIN DALAM MAGANG INDUSTRI DITINJAU DARI ASPEK KNOWLEDGE, SKILL DAN ATTITUDE Puput Nur Kasanah; Ngatou Rohman; Nugroho Agung Pambudi
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 3 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i3.77275

Abstract

Penelitian ini memiliki tujuan untuk (1) mengetahui tingkat pengalaman belajar mahasiswa setelah melaksanakan program magang industri ditinjau dari aspek knowledge, (2) mengetahui tingkat pengalaman belajar mahasiswa setelah melaksanakan program magang industri ditinjau dari aspek skill, (3) mengetahui tingkat pengalaman belajar mahasiswa setelah melaksanakan program magang industri ditinjau dari aspek attitude. Metode penelitian yang digunakan yaitu deskriptif kuantitatif. Teknik pengambilan sampel yang digunakan nonprobability sampling yaitu total sampling dengan jumlah partisipan sebanyak 71 mahasiswa Pendidikan Teknik Mesin FKIP UNS. Pengumpulan data dilakukan dengan kuesioner / angket. Teknik uji validitas dilakukan dengan membandingkan nilai r hitung dengan nilai r tabel. Analisis data dengan menggunakan analisis deskriptif. Hasil penelitian ini adalah sebagai berikut. Pertama, tingkat pengalaman belajar mahasiswa aspek knowledge (pengetahuan) setelah melaksanakan magang industri memiliki nilai rata-rata 30,2535 dengan frekuensi sebanyak 45 mahasiswa dan persentase 63,4% berada dalam kategori tinggi. Kedua, tingkat pengalaman belajar mahasiswa aspek skill (keterampilan) setelah melaksanakan magang industri memiliki nilai rata-rata 35,1268 dengan frekuensi sebanyak 35 mahasiswa dan persentase 49,3% berada dalam kategori tinggi. Ketiga, tingkat pengalaman belajar mahasiswa aspek attitude (sikap) setelah melaksanakan magang industri memiliki nilai rata-rata 40,5915 dengan frekuensi sebanyak 43 mahasiswa dan persentase 60,6% berada dalam kategori tinggi. Penelitian ini diharapkan dapat bermanfaat bagi program studi dalam evaluasi program magang industri.Kata kunci : Magang industri, pengalaman belajar, knowledge, skill, attitude
INVESTIGASI EKSPERIMENTAL PEMANAS AIR TENAGA SURYA SISTEM TRICKLE BERBAHAN GALVALUM-FIBER LAJU ALIRAN 2 LPM Robby Nur Salsala; Nugroho Agung Pambudi; Nyenyep Sri Wardani
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 4 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i4.72280

Abstract

This study aims to analyze the performance of a solar water heater made of galvalum-fiber with a trickle system using a flow rate of 2 lpm. The research was conducted by experimental method. This research was conducted by flowing water through a solar water heater and collecting data at 08.00-15.00 with 3 repetitions to get accurate results. Data collection was carried out by recording the temperature at the inlet, outlet, collector, cover, environment, solar radiation intensity, and wind speed. The data obtained were analyzed to determine collector efficiency, fluid efficiency and total efficiency. Based on research results, this solar water heater is capable of producing water temperatures of up to 36.8°C with temperature changes of up to 6.6°C. This solar water heater is capable of generating collector efficiency of up to 51%, and a total efficiency of 34%.
INVESTIGASI EKSPERIMENTAL PEMANAS AIR TENAGA SURYA SISTEM TRICKLE BERBAHAN POLIKARBONAT VARIASI LAJU ALIRAN 2 LPM Alisya Eka Putri; Nugroho Agung Pambudi; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 2 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i2.72232

Abstract

Solar energy is one of the most impactful renewable energy sources and has great potential compared to other energy sources. The use of solar energy can be maximized by using solar panel technology and solar collectors. One example is a solar water heater. Polycarbonate is a good material to be applied to solar water heaters because it has good mechanical properties and is corrosion resistant. This study aims to analyze the performance of a polycarbonate solar water heater with a trickle system using a flow rate of 2 l/m. This type of research is quantitative with experimental research methods. This research was conducted by flowing water through a solar water heater and taking data from 08.00-15.00 with 3 repetitions to obtain accurate results. Data were collected by recording the temperature at the inlet, outlet, collector, top collector, environment, intensity of solar radiation, and wind speed. The data obtained were analyzed to find collector efficiency, fluid efficiency and total efficiency. Based on the research results, this solar water heater is capable of producing water temperatures up to 40.5°C with temperature changes of up to 7.2°C. This solar water heater is able to produce a collector efficiency of up to 52%, and a total efficiency of 37%.
Co-Authors Alisya Eka Putri Andi Dwi Saputro Saputro Andrye Sukma Wicaksono Husin Bugis Indah Widiastuti Ngatou Rohman Nyenyep Sri Wardani Puput Nur Kasanah Robby Nur Salsala Yustisia Ahnaf Yuyun Estriyanto